View Full Version : hello - any h/t/s fitting experts around here??
October 20, 2009, 15:29
I'm building up a 1911 and I need some input on fitting the hammer/trigger/sear/disconnector. Here's where I'm at now: the thumb safety will not click into the on position in cocked or hammer down mode, but will click on at half-cock. The thumb safety prevents the hammer from moving at half-cock, but will not stop it at full cock, even though it does go up almost all the way to the on position. With the safety off, everything appears to operate normally. can someone save me some time and tell me what's going on? this is my first time to actually have to do this on a build, so even though I've got it together without the grip safety installed, I'm still not that familiar with what I'm looking at. thanks in advance!
October 20, 2009, 22:51
Ok, read your post but I have to think this out linearly.
First, fit the trigger. With the frame pointed down (as in pointing the gun at the ground) the trigger should move up freely and easily and then drop freely to the forward position.
Sear and dis-connector should rotate freely on their pin and freely within the frame with no binding.
Hammer should rotate with no binding.
Alright, once that is done, install trigger, sear, disconnector, and hammer. Black magic marker the safety (or dykem). Try to install with the hammer cocked (should not install de-cocked). There is a notch that needs to be fitted around the sear. That spot will have rub marks on it. Very carefully with a needle file remove material until the safety fits in. Engage safety, hammer should NOT fall.
Fitting for the grip safety is the same. Install with marker on front nose. Attempt to pull trigger and work grip safety. Remove material from where there is contact.
I think I explained that clearly, but probably not.
:rolleyes: I accept no liability for anything stupid you may or may not do. I accept no liability for any problems, screw ups, or mistakes you make. :D :devil:
Best of luck!
October 20, 2009, 23:35
I think I've got a handle on it now. I tried a safety from another pistol, which happened to be a drop in part from Sarco kit, and it did drop in and everything worked. I noticed the part that contacts the sear is noticeably longer on the part I'm trying to fit. so once I find a file that will dent this MF'er I should be in good shape.
October 21, 2009, 07:38
a good trick is to make frame locating pins that are wider than the frame width ..
put the fcg parts on the "outside" of the frame in position ,on the pins .so you can see whats going on .makes things easy
October 30, 2009, 12:04
You can also take the grip safety off so that you can see what is going on in there.
October 30, 2009, 12:09
thanks for the replies, but I am now an expert myself after fitting these parts. just kidding, but it wasn't really that hard once I figured out where each part was hitting each other. one thing I would advise that makes is easier is to install the hammer pin backwards while fitting so you can remove it without removing the thumb safety.
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